goto bad_swap;
}
/* frontswap enabled? set up bit-per-page map for frontswap */
- if (frontswap_enabled)
+ if (IS_ENABLED(CONFIG_FRONTSWAP))
frontswap_map = vzalloc(BITS_TO_LONGS(maxpages) * sizeof(long));
if (p->bdev &&(swap_flags & SWAP_FLAG_DISCARD) && swap_discardable(p)) {